The 2017 increase mirrors a rise in tick-borne diseases reported in the United States. Between 2004 and 2016, the number of cases doubled, and researchers discovered seven new tick-borne disease-causing germs.

Recurrent or chronic sore throat is the most common reason for getting a tonsillectomy. Evidence shows that the surgery results in modest, short-term reductions in recurring, severe sore throats in children aged 3 to 15, but not in those with milder symptoms.

The company says there's a need for opioid pain medicines that don't require swallowing, because some patients have difficulty taking oral medication and may not have access to IV opioids. The FDA had earlier flagged two safety concerns.

The Trump administration first mentioned requiring drug prices in ads in May, as part of the government's American Patients First plan to lower drug costs. In August, it began officially reviewing a proposed rule.

About 14 million Americans become infected with HPV every year, the CDC says. About 12,000 women are diagnosed with cervical cancer and about 4,000 women die from cervical cancer caused by certain HPV viruses.

Two cancer researchers -- James P. Allison, PhD, of the University of Texas MD Anderson Cancer Center in Houston, and Tasuku Honjo, MD, PhD, of Kyoto University in Japa-- received the 2018 Nobel Prize in Physiology or Medicine for discovering how the immune system can be harnessed to attack tumor cells, a finding that led to the development of immunotherapy drugs.